... 1992–200923242.3 Graphical Techniques for Numerical DataThere are several graphical methods that are used when the data are numerical (i.e. quantitative, non-categorical).The most important of these graphical ... are more than 105 but less than or equal to 120Example 2.5 …28Example 2.429Chapter 2 Graphical descriptive methods Interpret…About half (71+37=108)of the bills are ‘small’,i.e. less than ... 14Introduction •The methods presented apply to both–the entire population, and–a sample selected from the population.15 Graphical techniques for nominal data•The graphical presentations...